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The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7.2 mm. Suppose that 45 individuals are randomly
The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7.2 mm. Suppose that 45 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of :E? i ~ N(--) b. For the group of 45, find the probability that the average hand length is more than 194. c. Find the first quartile for the average adult male hand length for this sample d. For part b), is the assumption that the distribution is normal necessary? 0 N0 0 Yes
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